fig2

Figure 2. Anteroposterior radiographs of a 76-year-old male with: a solitary renal cell carcinoma tumor of the proximal humerus preoperatively (A); six months after wide excision and proximal humeral allograft prosthetic composite (APC) reconstruction with RTSA (B); one year postoperatively, patient represented with allograft-host junctional nonunion with hardware failure (C); anteroposterior radiographs after bone grafting, repair of the non-union with open reduction, and internal fixation (D) Blue arrow notes the junction between the Allograft and the native bone.